package com.example.myapplication.utils;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class DBHelper extends SQLiteOpenHelper {
    private static final String DATABASE_NAME = "user.db";
    private static final int DATABASE_VERSION = 1;

    public DBHelper(Context context) {
        super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        // 创建用户表
        String createUserTable = "CREATE TABLE IF NOT EXISTS user(" +
                "id INTEGER PRIMARY KEY AUTOINCREMENT," +
                "account TEXT," +
                "password TEXT)";
        db.execSQL(createUserTable);
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        // 数据库升级时的操作，可以根据需要进行修改
    }
}
